Greenworks’ G-MAX 40V 4.0Ah battery is down at $130 (Reg. $160), more from $80

41% off/From $80

As part of Amazon’s early fall Prime Day deals, you can find a handful of Greenworks 24V, 40V, and 60V batteries seeing up to 41% discounts (rounded up for you below), like the G-MAX 40V 4.0Ah Battery down at $129.99 shipped. Down from $160, this particular battery was out of stock from mid-May to mid-August, with the discounts we’ve seen after that period only having gone as low as $140. While we did see it dip to $109 during the March Big Spring Sale, you’re still getting a solid 19% markdown here for $30 savings, landing it just $21 above that annual low and giving you the best price we have tracked in six months. As I mentioned, you’ll find a few other battery deals rounded up for you below, or you can shop all the brand’s early fall Prime Day tool deals in the official Amazon storefront here.

This Greenworks G-MAX 40V battery might not be the newest tool powering solution, but it brings along greater “fade-free power with no memory loss after charging,” and is ready to power up to 75+ tools that you may already have in your arsenal. There is a built-in battery management system here that safeguards it from overheating, short circuiting, over-voltage, over-current, and over-charging. There’s also the handy LED indicator so you’ll always be aware of the battery’s real-time levels.

You can find more Greenworks deals alongside those from other brands by heading to our dedicated tools hub here, and don’t forget the rounded up battery deals from Greenworks below:

Greenworks Batteries

Greenworks 24V 2.0Ah Battery

$80 (Reg. $90)

Greenworks 24V 4.0Ah USB Battery 2-Pack & Charger Kit

$95 (Reg. $159)

Greenworks 60V 2.0Ah High Current Battery

$106 (Reg. $130)

Greenworks 40V 4.0Ah Lithium-Ion Battery

$130 (Reg. $170)

Greenworks 40V 5.0Ah High-Power Battery

$150 (Reg. $180)

Greenworks 40V 4.0Ah Battery features:

• High Performance G-MAX 40V Battery delivers fade-free power with no memory loss after charging.
• Integrated LED fuel indicator provides immediate feedback on state of the battery.
• Built-in battery management system (BMS) with overheat, short circuit, over-voltage, over-current, and over-charge safeguards.
• Greenworks 40V batteries are compatible with 75+ Greenworks tools in the same voltage for total freedom of movement without tangled cables.
• What’s included: 1 x 40V 4.0Ah Lithium-Ion Battery